DAC, VOBA, DSI, and DFEL - Reconciliation of DFEL (Details) - USD ($) $ in Millions	Dec. 31, 2023	Dec. 31, 2022	Dec. 31, 2021	Dec. 31, 2020
Deferred Policy Acquisition Cost [Line Items]
DFEL	$ 5,923	$ 5,115		$ 3,586
Other Operations
Deferred Policy Acquisition Cost [Line Items]
DFEL	44	39
Ceded DFEL	44	39
UL and Other
Deferred Policy Acquisition Cost [Line Items]
DFEL	5,579	4,766	$ 3,934	3,262
Ceded DFEL	2,252	31
Variable Annuities
Deferred Policy Acquisition Cost [Line Items]
DFEL	300	310	$ 318	$ 324
Ceded DFEL	$ 0	$ 0